http://effbot.org/zone/python-objects.htm 几点总结: (1) 类的基本属性 . id, returned by id(obj) . type, returned by type(obj) . some content . methods; some objects have methods to change the content, and some don’t; eg, list vs. turple . names (2) namespace .…
30.8 Structure And Representation Of MIB Object Names We said that ASN.1 specifies how to represent both data items and names. However, understanding the names used for MIBvariables requires us to know about the underlying namespace. Names used for M…
索引 意图 结构 参与者 适用性 效果 相关模式 实现 实现方式(一):使用示例结构实现 Extension Object. 实现方式(二):使用泛型实现 IExtensibleObject<T> 接口. 意图 预期对象的接口将在未来被扩展.通过额外的接口来定义扩展对象. Anticipate that an object’s interface needs to be extended in the future. Additional interfaces are defined by e…
Group Policy Object Editor The Group Policy Object Editor is a tool that hosts MMC extension snap-ins that manage policy settings. All functionality is provided by extension snap-ins. Administrators manage policy settings using the Group Policy Obj…
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using IWshRuntimeLibrary;//添加引用(com->Windows Script Host Object Model) namespace 进制转换 { class Program { static void Main(string[] args…
一.避免全局变量的理由 js中避免创建全局变量一是避免命名冲突,二是避免因为创建全局变量让代码变得脆弱,三是创建全局变量会让代码难以测试. 二.避免创建全局变量的几种方法 //避免全局变量 避免命名冲突 //1.单全局变量之命名空间 var YourGlobal = { namespace: function(ns) { var parts = ns.split("."), object = this, i, len; for (i=0,len=parts.length;i <…
Public Class WebServiceHelper #Region "InvokeWebService" '动态调用web服务 Public Shared Function InvokeWebService(ByVal url As String, ByVal methodname As String, ByVal args As Object()) As Object Return WebServiceHelper.InvokeWebService(url, Nothing,…
[1]工程师甲编写功能A ? 1 2 3 var a = 1; var b = 2; alert(a+b);//3 [2]工程师乙添加新功能B ? 1 2 3 var a = 2; var b = 1; alert(a-b);//1 [3]上一步中,工程师乙在不知情的情况下,定义了同名变量a,产生冲突.于是使用匿名函数将脚本包起来,让变量作用域控制在匿名函数之内. ? 1 2 3 4 5 6 7 8 9 10 11 12 //功能A (function(){ var a = 1; var b =…
"""Simple implementation of the Level 1 DOM. Namespaces and other minor Level 2 features are also supported. parse("foo.xml") parseString("<foo><bar/></foo>") Todo: ===== * convenience methods for getti…